Use sanded caulk any time you use sanded grout and in joints 1 8 inch or wider.
Marble trim seal or caulk first.
It has a grainy texture and appearance.
At the first instance the new caulk will stick to the moldy caulk but after drying out newly applied portion will come out of the surface quite easily.
Then i used a grouting sponge to wipe off any excess.
Magic tub and wall peel and caulk strip create a tight seal between the bathtub and wall to keep moisture out 7 8 inch by 11 feet white 3 0 out of 5 stars 345 caulk tape self adhesive sealing caulk strip waterproof repair strip for bathtub kitchen sink basin edge shower toilet and wall mildew sealing tape 1 5inch width x 10 5feet length.
Unsanded caulk has a smooth appearance and texture.
I used this sealer and just put it in a spray bottle and sprayed three coats on the ungrouted tile.
Sanded caulk has particles in it that help it adhere to wet surfaces and expand in larger gaps without cracking.
Hold the caulk gun at a 45 degree angle and do a few practice runs on a piece of paper first to get a feel for how much pressure to apply.
Caulk comparison dap lexel ge sashco kwik seal loctite ge ii red devil ge supreme dow corning quantity oz 10 10 5 00 2 80 10 50 5 50 5 50 10 10 10 10 10 10 10.
You ll find you have to gently.
No you shouldn t caulk over the mold.
Starting with the first question here.